2528-7907
2528-7907
S2528-79072018000200030
Ecuador
00
06
2018
00
06
2018
1
22
30
39
[
2016
]
[
2012
28
48
48
119-20
]
[
2014
2 ed
]
[
DAC
2013
]
[
2011
]
[
2014
]
[
INSHT
2012
]
[
INSHT
2018
]
[
2010
]
[
1930
107-20
]
[
2008
82
6
6
667-75
]
[
2015
7-11
]
[
2012
]
[
2013
]
[
2012
]
[
U. d. Carabobo
2009
2
3
3
127-41
]
[
2007
]
[
1999
15
2
2
147 -171
]
[
2009
17-28
]
[
2014
31
2
2
354 - 385
]
[
2010
]